Transformatorji

Y: $U_{m f} = \sqrt{3} \cdot U_{f}$ , $I_{l} = I_{f}$
Δ: $U_{m f} = U_{f}$ , $I_{l} = \sqrt{3} \cdot I_{f}$

$E = 4.44 N f A Φ$
$I_{1} = \frac{S}{\sqrt{3} \cdot U_{1 y}}$
$P = \sqrt{3} \cdot U I \cos (φ)$

$η = \frac{P_{2}}{P_{1}} = \frac{P_{1} - P_{i z g}}{P_{1}}$
$ξ = \frac{P_{c u}}{P_{f e}}$
$Θ = Θ_{m a x} (1 - e^{- t / τ})$
$\frac{Θ_{m a x}^{'}}{Θ_{m a x}} = \frac{P_{i z g}^{'}}{P_{i z g}}$
$\frac{P_{f e}^{'}}{P_{f e}} = \frac{f^{'}}{f} {(\frac{B^{'}}{B})}^{2}$
$\frac{P_{c u}^{'}}{P_{c u}} = {(\frac{I^{'}}{I})}^{2}$

$u_{k %} = \frac{U_{1, k}}{U_{1, n}}$
$U_{R} = U_{k} \cos (φ_{k})$
$u_{r %} = \frac{U_{R}}{U_{1, n}} = u_{k} \cdot \cos (φ_{k})$
$U_{x} = U_{k} \sin (φ_{k}) = U_{K} \sqrt{1 - \cos (φ_{k})^{2}}$
$u_{x %} = \sqrt{u_{k %}^{2} - u_{R %}^{2}}$
$U_{}$

$S_{b} = S_{1} + S_{2} = S_{n, 1} \cdot b_{1} + S_{n, 2} \cdot b_{2}$
$b = \frac{S}{S_{n}}$
$\frac{b_{1}}{b_{2}} = \frac{u_{k, 2}}{u_{k, 1}}$

Sinhronski stroji

$S = m \cdot U \cdot I$
$P = m \cdot U_{2} \cdot I_{2} \cdot \cos (φ_{2})$
$E_{0} = \sqrt{(U_{2} + I_{2} X_{s} \sin (φ_{2}))^{2} + (I_{2} X_{s} \cos (φ_{2}))^{2}}$
$E_{0, r} = \sqrt{(1 + X_{s r} \sin (φ_{2}))^{2} + (X_{s r} \cos (φ_{2}))^{2}}$
$\tan (δ) = \frac{I_{2} X_{s} \cdot \cos φ_{2}}{U_{2} + I_{2} X_{s} \cdot \sin φ_{2}}$
$\tan (δ) = \frac{X_{s r} \cdot \cos φ_{2}}{1 + X_{s r} \cdot \sin φ_{2}}$
$P = \frac{m E U}{X_{s r}} \sin (δ)$
$I_{1} = \frac{S}{\sqrt{3} \cdot U}$
$\frac{I_{1}^{'}}{I_{1}} = \frac{E_{0}^{'}}{E_{0}}$
$I \cdot \cos (φ_{2}) = \frac{E}{X_{s r}} \sin (δ)$
$\frac{P_{2}}{S_{2, n}} = \frac{U_{2, r} \cdot E_{0, r}}{X_{s r}} \sin (δ)$
$n = \frac{f \cdot 60}{p_{p}}$
$M = \frac{P}{ω} = \frac{P \cdot 60}{2 π n}$
$M = \frac{m_{s}}{2 π n_{n}} \frac{U_{s}^{2}}{{(R_{s} + \frac{R_{R}}{s})}^{2} + (X_{δ, s} + X_{δ, R})^{2}} \frac{R_{R}}{s}$
$M_{z a g} = \frac{m_{s}}{2 π n_{n}} \frac{U_{s}^{2}}{{(R_{s} + R_{R})}^{2} + (X_{δ, s} + X_{δ, R})^{2}} R_{R}$
$\frac{M_{z a g}^{'}}{M_{z a g, n}} = (\frac{U}{U_{n}})^{2}; \frac{M_{o m}^{'}}{M_{o m, n}} = (\frac{U}{U_{n}})^{2}$

Asinhronski stroji

$s = \frac{n_{s} - n_{r}}{n_{s}}$
$s_{o m} = \pm \frac{R_{r}^{'}}{\sqrt{R_{s}^{2} + (X_{σ, s} + X_{σ, r}^{'})^{2}}}$
$f_{r} = f_{s} \cdot s$
$S_{n} = \sqrt{3} U_{n} I_{n}$
$P_{n} = \sqrt{3} U_{n} I_{n} \cos (φ)$
$P_{r} = M ω = M \frac{2 π n_{n}}{60}$
$P_{r} = \frac{R_{r}^{'}}{s} \cdot I_{2}$
$M = \frac{m_{s}}{2 π n_{s}} \frac{U_{s}^{2}}{{(R_{s} + \frac{R_{r}^{'}}{s})}^{2} + (X_{δ s} + X_{δ r}^{'})^{2}} \frac{R_{r}^{'}}{s}$
$n = n^{'}; R_{r} = konst. \Rightarrow \frac{M^{'}}{M} = (\frac{U_{s}^{'}}{U_{s}})^{2}$
$M_{z a g} = \frac{m_{s}}{2 π n_{s}} \frac{U^{2} R_{r}^{'}}{(R_{s} + R_{r}^{'})^{2} + (X_{σ, s} + X_{σ, r}^{2})}, (s = 1)$

Mot ( $+$ ), Gen( $-$ ): $M_{o m} = \pm \frac{m s}{2 π n_{s} \frac{U_{s}^{2}}{2 (\sqrt{R_{s}^{2} + (X_{σ, s} + X_{σ, r})^{2}} + R_{s})}}$
$\frac{M_{n}}{M_{o m}} = \frac{2}{\frac{s_{n}}{s_{o m}} + \frac{s_{o m}}{s_{n}}}$
$\frac{M_{b}}{M_{n}} = \frac{s_{b}}{s_{n}} = \frac{I_{2, b}}{I_{2, n}}$

$P_{e l} = P_{c u, s} + P_{f e, s} + P_{v p}$
$P_{v p} = P_{c u, r} + P_{v r t, r o t} + P_{m e h}$
$P_{m e h} = P_{v p} (1 - s_{b})$
$\cos (φ_{0}) = \frac{P_{0}}{S_{0}} = \frac{P_{0}}{U_{0} I_{0}}$
$η = \frac{P_{meh}}{P_{el}}$
$I_{r} = \frac{U_{s}}{\sqrt{{(R_{s} + \frac{R_{r}^{'}}{s})}^{2} + (X_{σ, s} + X_{σ, r}^{'})^{2}}}$
$U_{stoji}$
$R_{2} = \frac{s E_{20}}{\sqrt{3} I_{2}}$

Komutatorju

Generator: $U = E - I_{s} \cdot R_{s} - Δ U_{š č}$
Motor: $U = E + I_{s} \cdot R_{s} + Δ U_{š č}$
$\frac{n^{'}}{n} = \frac{E^{'}}{E}$

Tuje vzbujani

Vzporedno vzbujani

$I_{M} = I_{i} + I_{v} = \frac{P_{G}}{U}$
$I_{v} = \frac{U}{R_{v}}$
$I_{G} = I_{i} - I_{v}$
$I_{M} = \frac{P_{M, e l}}{U}$
$I_{M} = \frac{P_{M, m e h}}{U \cdot η}$